package cn.imokay.oom;

public class OOMTest {
    public static void main(String[] args) {
        OOMTest oomTest = new OOMTest();
        System.out.println(oomTest.tt(99999));
    }

    public int tt(int i){
        if(i == 0) return 0;
        return i+tt(i-1);
    }
}
